Twilio experienced a minor incident on August 18, 2026 affecting Flex Application Platform and Flex Agent Desktop, lasting 2h 31m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 18, 2026, 05:10 PM UTC
We are aware of login failures affecting Flex when using SSOv2 authentication. Customers may experience errors related to rate limiting when attempting to access Flex. Our team is actively investigating. We will provide another update in 1 hour or as soon as more information becomes available.
- investigating Aug 18, 2026, 06:11 PM UTC
We are aware of login failures affecting Flex when using SSOv2 authentication. Customers may experience errors related to rate limiting when attempting to access Flex. Our team is actively investigating. We will provide another update in 2 hours or as soon as more information becomes available.
- monitoring Aug 18, 2026, 06:28 PM UTC
Flex login when using SSOv2 authentication is now operating normally. We will continue to monitor for system stability. If you experience continued login failures, please clear your browser cache and cookies. We'll provide another update in 30 minutes or as soon as more information becomes available.
- identified Aug 18, 2026, 06:56 PM UTC
We are seeing another uptick in login failures affecting Flex when using SSOv2 authentication. Customers may experience errors related to rate limiting when attempting to access Flex. Our team is actively investigating. We will provide another update in 1 hour or as soon as more information becomes available.
- identified Aug 18, 2026, 07:57 PM UTC
We are still seeing another uptick in login failures affecting Flex when using SSOv2 authentication. Customers may experience errors related to rate limiting when attempting to access Flex. Our team is actively investigating. We will provide another update in 2 hours or as soon as more information becomes available.
- monitoring Aug 18, 2026, 08:35 PM UTC
We have identified the cause of the issue causing failures when attempting to login to Flex via SSO and have applied mitigations. Customers can login to Flex via SSO as normal. We will provide another update in 30 minutes or as soon as more information becomes available.
- resolved Aug 18, 2026, 09:00 PM UTC
Customers can login to Flex via SSO as normal. This incident has been resolved.